| Commit message (Collapse) | Author | Age |
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This allows individual CPU support to determine which platform
devices should be registered. Also fix a copy-n-paste bug in
the I2C power platform device entry.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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The RTC library code contains everything necessary to set the
system time from the RTC; for similar reasons as the previous
commit, it's far better to let the RTC library code sort this
out rather than implement something which might not be
appropriate for everyone.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Remove the RTC management over a suspend/resume cycle. Firstly,
we may not be using the internal RTC for time keeping; some
platforms have an external RTC for this inspite of the PXA having
an internal RTC. Secondly, the RTC library code handles updating
system time on resume.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Since the number of dma channels varies between pxa25x and pxa27x, it
introduces some specific code in dma.c. This patch moves the specific
code to pxa25x.c and pxa27x.c and makes dma.c more generic.
1. add pxa_init_dma() for dma initialization, the number of channels
are passed in by the argument
2. add a "prio" field to the "struct pxa_dma_channel" for the channel
priority, and is initialized in pxa_init_dma()
3. use a general priority comparison with the channels "prio" field so
to remove the processor specific pxa_for_each_dma_prio macro, this
is not lightning fast as the original one, but it is acceptable as
it happens when requesting dma, which is usually not so performance
critical
Signed-off-by: eric miao <eric.miao@marvell.com>
Acked-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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/* should be ok this time, I aligned this patch to your arm:pxa2.mbox */
1. move pxa25x specific IRQ initialization code to pxa25x_init_irq()
and pxa27x code to pxa27x_init_irq(), remove pxa_init_irq()
2. replace all pxa_init_irq() with their PXA25x or PXA27x specific
functions
Signed-off-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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ICIP2 is not examined during IRQ entrance, this patch add the
checking if the processor is PXA27x or later, with CoreG bits
in CPUID (Core Generation) > 1
Signed-off-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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1. use GPIO_IRQ_mask[] to select those bits of interest, actually
only those "unmasked" GPIO IRQs with their corresponding bits
in GPIO_IRQ_mask[] set to "1" should be checked
2. remove #ifdef PXA_LAST_GPIO > 96 .. #endif, GPIO_IRQ_mask[]
is used to mask out the irrelevant bits, so that even though
the GEDR3 on PXA25x is reserved, it will be masked, and the
following code will never run. Another point is that GPIO85-
GPIO95 bits within GEDR2 will also be masked out on PXA25x
Signed-off-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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move the GPIO IRQ initialization code to pxa_init_irq_gpio()
Signed-off-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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1. move low IRQ initialization code to pxa_init_irq_low()
Signed-off-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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1. define PXA_GPIO_IRQ_BASE to be right after the internal IRQs,
and define PXA_GPIO_IRQ_NUM to be 128 for all PXA2xx variants
2. make the code specific to the high IRQ numbers (32..64) to be
PXA27x specific
3. add a function pxa_init_irq_high() to initialize the internal
high IRQ chip, the invoke of this function could be moved to
PXA27x specific initialization code
Signed-off-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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1. PXA_IRQ_SKIP is defined to be 7 on PXA25x so that the first IRQ
starts from zero. This makes IRQ numbering inconsistent between
PXA25x and PXA27x. Remove this macro so that the same IRQ_XXXXX
definition has the same value on both PXA25x and PXA27x.
2. make IRQ_SSP3..IRQ_PWRI2C valid only if PXA27x is defined, this
avoids unintentional use of these macros on PXA25x
Signed-off-by: eric miao <eric.miao@marvell.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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pxa_pm_prepare() tried to validate the suspend method type. As
noted in previous commits:
eb9289eb20df6b54214c45ac7c6bf5179a149026
9c372d06ce9ddf65e1393f9ea22a6d6bd5f96b42
e8c9c502690efd24b7055bf608e7a3c34216848b
the checking of the suspend type in the 'prepare' method is the
wrong place to do this; use the 'valid' method instead. This
means that pxa_pm_prepare() can be entirely removed.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Move the pm_ops structure into the PXA25x and PXA27x support
files. Remove the old pxa_pm_prepare() function, and rename
the both pxa_cpu_pm_prepare() functions as pxa_pm_prepare().
We'll fix that later.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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pxamci.h redefines the MMC registers differently so they can be used
with ioremap. Remove the incompatible definitions from pxa-regs.h.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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pxa_pm_finish() does nothing but return zero. The core code
does nothing with this return value, and will not try to call
the finish method in the pm_ops structure if it is NULL.
Therefore, we can remove this useless function.
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
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Woo-hoo. I'm sure somebody will report a "this doesn't compile, and
I have a new root exploit" five minutes after release, but it still
feels good ;)
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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* master.kernel.org:/pub/scm/linux/kernel/git/bart/ide-2.6:
qd65xx: fix PIO mode selection
sis5513: adding PCI-ID
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PIO4 is a maximum PIO mode supported by a driver. Using "255" as a max_mode
argument to ide_get_best_pio_mode() could result in wrong timings being used
by a driver (for "pio" equal to 5) or OOPS (for "pio" values > 5 && < 255).
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
Acked-by: Sergei Shtylyov <sshtylyov@ru.mvista.com>
Reviewed-by: Alan Cox <alan@lxorguk.ukuu.org.uk>
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The SiS966 has one additional PCI-ID 1180.
If the chipset is using this PCI-ID, the primary channel is connected to the
first PATA-port. The secondary channel is connected to SATA-ports in IDE
emulation mode. The legacy IO-ports are used.
The including of the PCI-ID into pata_sis is not sufficient, because the legacy
driver in drivers/ide is initialized before pata_sis.
Signed-off-by: Uwe Koziolek <uwe.koziolek@gmx.net>
Signed-off-by: Bartlomiej Zolnierkiewicz <bzolnier@gmail.com>
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Commit 1c710c896eb461895d3c399e15bb5f20b39c9073 added the utimensat()
system call, but didn't handle the case of checking for the writability
of the target right, when the target was a file descriptor, not a
filename.
We cannot use vfs_permission(MAY_WRITE) for that case, and need to
simply check whether the file descriptor is writable. The oops from
using the wrong function was noticed and narrowed down by Markus
Trippelsdorf.
Cc: Ulrich Drepper <drepper@redhat.com>
Cc: Markus Trippelsdorf <markus@trippelsdorf.de>
Cc: Andrew Morton <akpm@linux-foundation.org>
Acked-by: Al Viro <viro@ftp.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Fix a post-2.6.21 regression.
read_cache_page_async() has two invocations of mark_page_accessed() which will
launch pages right onto the active list.
Remove the first one, keeping the latter one. This avoids marking unwanted
pages active (in the retry loop).
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Nick Piggin <nickpiggin@yahoo.com.au>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The dependency of DLM on SYSFS got lost in
commit 6ed7257b46709e87d79ac2b6b819b7e0c9184998 resulting in the
following compile error with CONFIG_DLM=y, CONFIG_SYSFS=n:
<-- snip -->
...
LD .tmp_vmlinux1
fs/built-in.o: In function `dlm_lockspace_init':
/home/bunk/linux/kernel-2.6/linux-2.6.22-rc6-mm1/fs/dlm/lockspace.c:231: undefined reference to `kernel_subsys'
fs/built-in.o: In function `configfs_init':
/home/bunk/linux/kernel-2.6/linux-2.6.22-rc6-mm1/fs/configfs/mount.c:143: undefined reference to `kernel_subsys'
make[1]: *** [.tmp_vmlinux1] Error 1
<-- snip -->
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The printk level in this printk is bogus, as the previous printk
didn't have a terminating \n resulting in ..
Intel E7520/7320/7525 detected.<6>Disabling irq balancing and affinity
It also never printed a \n at all in the case where we didn't do
the quirk.
Change it to only make noise if it actually does something useful.
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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This patch fixes the following 2.6.22 regression with CONFIG_KALLSYMS=n:
<-- snip -->
...
CC arch/m32r/kernel/traps.o
In file included from /home/bunk/linux/kernel-2.6/linux-2.6.22-rc6-mm1/arch/m32r/kernel/traps.c:14:
/home/bunk/linux/kernel-2.6/linux-2.6.22-rc6-mm1/include/linux/kallsyms.h: In function 'lookup_symbol_name':
/home/bunk/linux/kernel-2.6/linux-2.6.22-rc6-mm1/include/linux/kallsyms.h:66: error: 'ERANGE' undeclared (first use in this function)
/home/bunk/linux/kernel-2.6/linux-2.6.22-rc6-mm1/include/linux/kallsyms.h:66: error: (Each undeclared identifier is reported only once
/home/bunk/linux/kernel-2.6/linux-2.6.22-rc6-mm1/include/linux/kallsyms.h:66: error: for each function it appears in.)
/home/bunk/linux/kernel-2.6/linux-2.6.22-rc6-mm1/include/linux/kallsyms.h: In function 'lookup_symbol_attrs':
/home/bunk/linux/kernel-2.6/linux-2.6.22-rc6-mm1/include/linux/kallsyms.h:71: error: 'ERANGE' undeclared (first use in this function)
make[2]: *** [arch/m32r/kernel/traps.o] Error 1
<-- snip -->
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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When cleaning up HIDP sessions, we currently close the ACL connection
before deregistering the input device. Closing the ACL connection
schedules a workqueue to remove the associated objects from sysfs, but
the input device still refers to them -- and if the workqueue happens to
run before the input device removal, the kernel will oops when trying to
look up PHYSDEVPATH for the removed input device.
Fix this by deregistering the input device before closing the
connections.
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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kmem_cache_open is static. EXPORT_SYMBOL was leftover from some earlier
time period where kmem_cache_open was usable outside of slub.
(Fixes powerpc build error)
Signed-off-by: Chrsitoph Lameter <clameter@sgi.com>
Cc: Johannes Berg <johannes@sipsolutions.net>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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davem kindly moved the list from osdl to vger.
Signed-of-by: maximilian attems <max@stro.at>
Cc: Alexey Dobriyan <adobriyan@gmail.com>
Cc: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Writing to MSR 0x51400017 forces a hard reset on CS5536-based machines,
this has the reboot fixup do just that if such a board is detected.
Acked-by: Jordan Crouse <jordan.crouse@amd.com>
Signed-off-by: Andres Salomon <dilinger@debian.org>
Cc: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
* 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6:
[NETPOLL]: Fixups for 'fix soft lockup when removing module'
[NET]: net/core/netevent.c should #include <net/netevent.h>
[NETFILTER]: nf_conntrack_h323: add checking of out-of-range on choices' index values
[NET] skbuff: remove export of static symbol
SCTP: Add scope_id validation for link-local binds
SCTP: Check to make sure file is valid before setting timeout
SCTP: Fix thinko in sctp_copy_laddrs()
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>From my recent patch:
> > #1
> > Until kernel ver. 2.6.21 (including) cancel_rearming_delayed_work()
> > required a work function should always (unconditionally) rearm with
> > delay > 0 - otherwise it would endlessly loop. This patch replaces
> > this function with cancel_delayed_work(). Later kernel versions don't
> > require this, so here it's only for uniformity.
But Oleg Nesterov <oleg@tv-sign.ru> found:
> But 2.6.22 doesn't need this change, why it was merged?
>
> In fact, I suspect this change adds a race,
...
His description was right (thanks), so this patch reverts #1.
Signed-off-by: Jarek Poplawski <jarkao2@o2.pl>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Every file should include the headers containing the prototypes for
its global functions.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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index values
Choices' index values may be out of range while still encoded in the fixed
length bit-field. This bug may cause access to undefined types (NULL
pointers) and thus crashes (Reported by Zhongling Wen).
This patch also adds checking of decode flag when decoding SEQUENCEs.
Signed-off-by: Jing Min Zhao <zhaojingmin@vivecode.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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skb_clone_fraglist is static so it shouldn't be exported.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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SCTP currently permits users to bind to link-local addresses,
but doesn't verify that the scope id specified at bind matches
the interface that the address is configured on. It was report
that this can hang a system.
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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In-kernel sockets created with sock_create_kern don't usually
have a file and file descriptor allocated to them. As a result,
when SCTP tries to check the non-blocking flag, we Oops when
dereferencing a NULL file pointer.
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Correctly dereference bytes_copied in sctp_copy_laddrs().
I totally must have spaced when doing this.
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus:
[MIPS] Fix scheduling latency issue on 24K, 34K and 74K cores
[MIPS] Add macros to encode processor revisions.
[MIPS] RM7000: Enable ICACHE_REFILLS_WORKAROUND_WAR.
[MIPS] SMTC: Fix cut'n'paste bug in Kconfig.debug
[MIPS] Change libgcc-style functions from lib-y to obj-y
[MIPS] Fix timer/performance interrupt detection
[MIPS] AP/SP: Avoid triggering the 34K E125 performance issue
[MIPS] 64-bit TO_PHYS_MASK macro for RM9000 processors
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The idle loop goes to sleep using the WAIT instruction if !need_resched().
This has is suffering from from a race condition that if if just after
need_resched has returned 0 an interrupt might set TIF_NEED_RESCHED but
we've just completed the test so go to sleep anyway. This would be
trivial to fix by just disabling interrupts during that sequence as in:
local_irq_disable();
if (!need_resched())
__asm__("wait");
local_irq_enable();
but the processor architecture leaves it undefined if a processor calling
WAIT with interrupts disabled will ever restart its pipeline and indeed
some processors have made use of the freedom provided by the architecture
definition. This has been resolved and the Config7.WII bit indicates that
the use of WAIT is safe on 24K, 24KE and 34K cores. It also is safe on
74K starting revision 2.1.0 so enable the use of WAIT with interrupts
disabled for 74K based on a c0_prid of at least that.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Older processors used to encode processor version and revision in two
4-bit bitfields, the 4K seems to simply count up and even newer MTI cores
have switched to use the 8-bits as 3:3:2 bitfield with the last field as
the patch number.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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The RM7000 processors and the E9000 cores have a bug (though PMC-Sierra
opposes it being called that) where invalid instructions in the same
I-cache line worth of instructions being fetched may case spurious
exceptions.
The workaround for this was only enabled for E9000 cores; enable it also
for all RM7000-based platforms.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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This effectivly turned the SMTC_IDLE_HOOK_DEBUG debug option into a no-op.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Reported by Eugene Surovegin <ebs@ebshome.net>.
If only modules were users of these functions they did not get linked into
the kernel proper, so later module loads would fail as well.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Chris Dearman <chris@mips.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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C0_status doesn't need to be initialized at this point anyway; the register
will be initialized later.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Signed-off-by: Andrew Sharp <tigerand@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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Line up the vmstat_text with zone_stat_item
enum zone_stat_item {
/* First 128 byte cacheline (assuming 64 bit words) */
NR_FREE_PAGES,
NR_INACTIVE,
NR_ACTIVE,
We current have nr_active and nr_inactive reversed.
[ "OK with patch, though using initializers canbe handy to prevent such
things in future:
static const char * const vmstat_text[] = {
[NR_FREE_PAGES] = "nr_free_pages",
..."
- Alexey ]
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Acked-by: Alexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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In 7d12e780e003f93433d49ce78cfedf4b4c52adc5 David Howells performed
this evolution:
"IRQ: Maintain regs pointer globally rather than passing to IRQ handlers"
He correctly updated many of the function definitions that were using this
extra regs pointer parameter but forgot to update some caller sites of
those functions. The reason the modifications was not properly done on all
drivers is that some drivers were rarely compiled because they are for
AMIGA, or that some code sites were inside #ifdefs where the option is not
set or inside #if 0.
Here is the semantic patch that found the occurences
and fixed the problem.
@ rule1 @
identifier fn;
identifier irq, dev_id;
typedef irqreturn_t;
@@
static irqreturn_t fn(int irq, void *dev_id)
{
...
}
@@
identifier rule1.fn;
expression E1, E2, E3;
@@
fn(E1, E2
- ,E3
)
Signed-off-by: Yoann Padioleau <padator@wanadoo.fr>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jeff Garzik <jeff@garzik.org>
Cc: Greg KH <greg@kroah.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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o Commit 1833d6bc72893265f22addd79cf52e6987496e0f broke the build if
compiled with CONFIG_ES7000=y and CONFIG_X86_GENERICARCH=n
arch/i386/kernel/built-in.o(.init.text+0x4fa9): In function `acpi_parse_madt':
: undefined reference to `acpi_madt_oem_check'
arch/i386/kernel/built-in.o(.init.text+0x7406): In function `smp_read_mpc':
: undefined reference to `mps_oem_check'
arch/i386/kernel/built-in.o(.init.text+0x8990): In function
`connect_bsp_APIC':
: undefined reference to `enable_apic_mode'
make: *** [.tmp_vmlinux1] Error 1
o Fix the build issue. Provided the definitions of missing functions.
o Don't have ES7000 machine. Only compile tested.
Cc: Len Brown <lenb@kernel.org>
Cc: Natalie Protasevich <protasnb@gmail.com>
Cc: Roland Dreier <rolandd@cisco.com>
Cc: Andi Kleen <ak@suse.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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